Tolong jawab ya 1-5 makasihh

1.the children climb the mountain once in a year
  (+)the children climb the mountain once in a year
  (-)the children don't climb the tree in a year
  (?)do the children climb the mountain once in a year

2.her brother repair the computer on the sunday
  (+) her brother repair the computer on the sunday
  (-)her brother doesn't repair the handphone on the sunday
  (?)does her brother repair the computer on the sunday